.nav {
  display: flex;
  height: 1.24rem;
  border-bottom: #f5f5f5 solid .02rem;
  align-items: center;
  justify-content: space-between;
  padding: 0 .3rem;
  box-sizing: border-box;
}
.nav .lt {
  display: flex;
  align-items: center;
}
.nav .lt img {
  width: .48rem;
  height: .48rem;
  object-fit: contain;
}
.nav .lt div {
  margin-left: .3rem;
  font-size: .3rem;
  color: #333333;
}
.nav .rt {
  width: .14rem;
  height: .24rem;
}
.bottom-bar {
  position: absolute;
  bottom: 0;
}
